Ubuntu USN · USN-8404-1

Transmission vulnerability

Published: Mon, 08 Jun 2026 15:15

CVE-2026-38978

Summary

Transmission could allow unintended actions if a user visited a malicious website.

Details

It was discovered that Transmission had a clickjacking weakness in the browser-facing WebUI and RPC response paths. An attacker could possibly use this issue to trick users into performing unintended actions.

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu jammy

transmission→3.00-2ubuntu2.2apt_upgrade
Standard apt upgrade. Install 3.00-2ubuntu2.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission→3.00-2ubuntu2.2apt_upgrade
Standard apt upgrade. Install 3.00-2ubuntu2.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-cli→3.00-2ubuntu2.2apt_upgrade
Standard apt upgrade. Install 3.00-2ubuntu2.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-cli
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-common→3.00-2ubuntu2.2apt_upgrade
Standard apt upgrade. Install 3.00-2ubuntu2.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-daemon→3.00-2ubuntu2.2apt_upgrade
Standard apt upgrade. Install 3.00-2ubuntu2.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-daemon
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-gtk→3.00-2ubuntu2.2apt_upgrade
Standard apt upgrade. Install 3.00-2ubuntu2.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-gtk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-qt→3.00-2ubuntu2.2apt_upgrade
Standard apt upgrade. Install 3.00-2ubuntu2.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-qt
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

transmission→4.0.5-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 4.0.5-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission→4.0.5-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 4.0.5-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-cli→4.0.5-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 4.0.5-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-cli
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-common→4.0.5-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 4.0.5-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-daemon→4.0.5-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 4.0.5-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-daemon
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-gtk→4.0.5-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 4.0.5-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-gtk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-qt→4.0.5-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 4.0.5-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-qt
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

transmission→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libtransmission-dev→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libtransmission-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-cli→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-cli
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-common→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-daemon→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-daemon
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-gtk→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-gtk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-qt→4.1.0~beta2+dfsg-3ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.0~beta2+dfsg-3ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-qt
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

transmission→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libtransmission-dev→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libtransmission-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-cli→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-cli
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-common→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-daemon→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-daemon
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-gtk→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-gtk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
transmission-qt→4.1.1+dfsg-1ubuntu1.1apt_upgrade
Standard apt upgrade. Install 4.1.1+dfsg-1ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y transmission-qt
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Are YOU affected by USN-8404-1?

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curl https://mindsparkstack.com/scan.sh | bash

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